Slick is messenger application for mobile phones. It allows you to chat with your friends connected though various online messaging applications.
Currently it is still in development, and alpha version is available for free for public testing.

How to pay WhatsappWhatsapp is the most used messaging application of the moment. In Android we have 1 year free trial, after which you must pay the license, very cheap but not everyone knows how to pay. We explain step by step how to do it